Finding the Fourth Proportional to 7,300.91, 10,951.59 and 2,858.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.91 : 10,951.59 = 2,858.39 : x
2. Step 2: Convert to fraction form
   7,300.91/10,951.59 = 2,858.39/x
3. Step 3: Cross multiply
   7,300.91x = 10,951.59 × 2,858.39
4. Step 4: Simplify right side
   7,300.91x = 31,303,915.34
5. Step 5: Solve for x
   x = 31,303,915.34/7,300.91
6. Step 6: Final answer
   x = 4,287.67